Colourtune

This is the place for posts that don't fit into any other category.

Moderator: RichardW

Post Reply
User avatar
moizeau
(Donor 2022)
Posts: 1580
Joined: 12 Jan 2015, 16:08
Location: France 36
My Cars: 91 BX TZD Estate. Dead but loved
407 HDI 136 auto
C4 2l petrol coupé
2010 Dispatch III HDI 90
AND a 1980 Z1000ST
AND a 1983 GPz1100 inj
AND a 1995 Zephyr 1100
AND a 1980 Z650 (my moped)
x 315

Colourtune

Post by moizeau »

Having not had a petrol engine for a while (lawnmowers aside :-D ) and now being the owner of an 1980 z1000 in need of care, I wondered what everyone's thoughts are regarding the Gunsen Colourtune? I have a set of mercury gauges for the carbs (yes, originals with real mercury) and thought the Coloutune kit would be the perfect companion. The youtube clips / various blurb on the net looks good and they have been around for donkey's.
What are your thoughts people?
Cheers
Pete
Notice the BX is still top the list but sadly gone
User avatar
bobins
Donor 2023
Posts: 5697
Joined: 05 Jul 2012, 18:07
Location: Midhurst, West Sussex
My Cars: Kia Sportage
Mazda BT-50
Land Rover SIII SWB
V-F-R800
SL320
MX5
x 2871

Re: Colourtune

Post by bobins »

I last used one when I were a lad and it was all fields 'round here :lol: Absolutely no problem with it and it had mildly consistent results. Still couldn't resist doing some very minor fiddling once I'd set the carb up though - after all, I was young and knew better than a Colourtune :wink:
Sadly no longer a C5 owner :(
User avatar
moizeau
(Donor 2022)
Posts: 1580
Joined: 12 Jan 2015, 16:08
Location: France 36
My Cars: 91 BX TZD Estate. Dead but loved
407 HDI 136 auto
C4 2l petrol coupé
2010 Dispatch III HDI 90
AND a 1980 Z1000ST
AND a 1983 GPz1100 inj
AND a 1995 Zephyr 1100
AND a 1980 Z650 (my moped)
x 315

Re: Colourtune

Post by moizeau »

So that would be a '+' then. When I worked at Norton 'off test bed set ups' were done by removing one plug, raising the tickover so that it would (tickover) on one cylinder, then adjust the mixture to the highest revs, then repeat for the other cylinder. I say cylinder, actually rotor, but that was a twin, I don't fancy that with a four.
Cheers Bobins
We all knew everything when we were younger, it's amazing how much we've forgot!!
Pete
Notice the BX is still top the list but sadly gone
User avatar
Sloppysod
Donor 2024
Posts: 966
Joined: 23 May 2015, 23:35
Location: North Wales
My Cars: Citroens
1 x GS, 1 x GSX (Banger raced), 1 x GSA,
2 x CX Famililles, 1 x CX GTI,
BX, XM, Xantia, C5 Mk1,
C4 (Coupe), C4 (B7),
C5 (X7)

Renault
R4 Van
Fuego
Clio Campas
x 212

Re: Colourtune

Post by Sloppysod »

You brought back memories for me too. I used on yonks ago on both bikes cars, the ones we now thinks of as classics. I thought the results were good, definitely better than adjusting the air screw to maximum revs on tick over then back half a turn which was the other method of the time. I remember then you would go for a spin whip a sparkplug out and check it against the colour pictures in the Haynes manual.... Those were the days😯👴
Stu 🏴󠁧󠁢󠁷󠁬󠁳󠁿

"Some cause happiness wherever they go, others whenever they go"Oscar Wilde (1854-1900)

Major interventions
C5 Steering rack @ 58,000 mi
4 discs & Pads @ 63,585 mi
2 (AM6) oil exchanges @ 58,876 & 72,378 mi
User avatar
moizeau
(Donor 2022)
Posts: 1580
Joined: 12 Jan 2015, 16:08
Location: France 36
My Cars: 91 BX TZD Estate. Dead but loved
407 HDI 136 auto
C4 2l petrol coupé
2010 Dispatch III HDI 90
AND a 1980 Z1000ST
AND a 1983 GPz1100 inj
AND a 1995 Zephyr 1100
AND a 1980 Z650 (my moped)
x 315

Re: Colourtune

Post by moizeau »

Yep, those were the days, burnt fingers and all.
Pete
Notice the BX is still top the list but sadly gone
User avatar
myglaren
Forum Admin Team
Posts: 25370
Joined: 02 Mar 2008, 13:30
Location: Washington
My Cars: Mazda 6
Ooops.
Previously:
2009 Honda Civic :(
C5, C5, Xantia, BX, GS, Visa.
R4, R11TXE, R14, R30TX
x 4889

Re: Colourtune

Post by myglaren »

I had one for about 25 years. Only tried it once to see what it was all about. Gave it away last year.
Post Reply